Hi All
Thanks for comments.i have one  doubt  im going to build laser marking
application in gambas .for example just like weld mark software .in this
case i want line ,circle , rectangle this like control how i get this like
controls in gambas

Thank n Regards
Sudeep


On Fri, Dec 13, 2013 at 11:43 PM, Jussi Lahtinen
<jussi.lahti...@gmail.com>wrote:

> > -funtions or subs that make changes in the parameters need to be called
> > with Byref
> >
>
> Only if the parameters are not objects (objects are always passed as
> byref).
> Usually need for byref means broken object model.
>
>
> -  "this" = "that" usually means "this" will have the same value of "that"
> > and when you change "that", "this" will surprisingly change too
> >
>
> Only when "this" and "that" are object references.
> It shouldn't be surprise..?
>
>
> Jussi
>
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